Image: Wikimedia Commons The Dalmation Molly is another breed that’s well suited to beginners just…
Balloon Belly Molly

Balloon Belly Molly gets their name from their trademark shape, which makes them appear to look overweight. They are available in white, black, and yellow and have a lyre-shaped back fin. Balloon Belly Molly is a friendly breed that likes to the company of similarly sized fish. It only grows to about 3 inches, but it still wants to have an aquarium larger than 30 gallons.